Slicing machine



Feb. 13, 1923,

H. TASAKA.

SLICING MACHINE.

FILED Nov. 8, 1920.

2 sHEET-SHEET 2.

Patented heh. lli, 1923.

HARRY TAS, 'OIE' CHICAGO, ILLINOIS.

sLIciNe MACHINE.

Application led November 8, 1920. Serial N'o.v422,472.

chines, 'of which' the following is a full,

clear, and exact description.

The invention relates to slicing machines and its object is to provide a machine which is simple in construction and efficient in operation..

The invention consists in the several novel features and combinations hereinafter set forth and more particularly defined by claims at the conclusion hereof.'

AIn the drawings: vF ig. l is a sideelevation Iof a machine embodying the invention. Fig. 2 is a plan.- Fig. 3 is a section taken on line 3-3 of F ig. 2. Fig. 4. is a perspective upon an enlarged'scale of a portion oi the feed mechanism.'

The improved machine comprises. a box or holder composed of a bottom 6, a front 7 and a back 8 adapted to hold the product, such as av loaf of bread, :which is-.to be sliced. This box or holder isextended beyond the point. at which the slicing knife operates so as to retain the slices until an entire load has been sliced, so that all of the slices from a loaf may be removed together and wrapped before being separated,

if desired. This boi; is sustained by suitable legs or standards 9. rlhe boX is formed with a gap 10 through which a scimitar-shaped knife 11 on a shaft 12 is adapted to rotate in slicing the bread.- A plate 13 is extended across the back of the gap to secure the boxportions in connected relation. The knife 11 is scimitar-shaped to effect a shear cut during each revolution of the shaft 12. Said. shaft is journalled in bearings 14 formed on standards 9.l The hub of the knife 11 is secured to onel end ofthe shaft 12 and a wheel 15` with a handle 16 form ing a crank is secured to the other end of the shaft so that it may he manually rotate :l to operate the knife.

The automatic feed mechanism for feeding the loaf between the slicing operations comprises a pusher 17 adapted to move longitudinally back and forth in the box. This pusher is provided with an integral arm or extension 18 outside of the box which is provided with a hub 19 through which the shaft 12 passes. This hub is `comprises a cam slidable on the shaft 12. The mechanism for operating the pusher-17 step by step 20 on the wheel 15, a bar 21-which is slidably mounted in bearings 22 integral with-two of the standards 9 and' provided with ratchet-teeth 23 to engage a pawl 24'whi'ch is. pivoted, as at-25, `to the arm 18 on the pusher, a member 26 secured to one end of the `ratchet-bar 21`provided adapted to abe, engaged by with a lroller 27 the cam 2() to operate the ratchet-bar in one i direction' and a spring 28 applied to said member. to retract the y ratchet-bar; 28 iscoiled around a post 29 which to, andv y 9 and` is provided witha nut30 by which the retractile stroke of the bar 21 maybe varied toregulate the lengthY of the, steps which vthe pusher.l will beadvanced during the revolutions ofthe 'cam-20. By adjusting Spring is fixed projects from, one `of the standards the nut 30 to restrict oreXtendthe retractile strokefofthebar 21, the distance advanced` -by the pusher. will be varied .so that the thicknessv of the slices cut from `the loaf may be `varied as desired. A dog 31` is pivote'd to ears l32 formed on the arm 18l and engages a rack or series of'teeth 33 formed on the front side 7. of the box to prevent retraction of the pusher with ythe bar 21. This dog is provided with. a handle 34 and lpalwl 24 is provided with a handle 35 by which they may be disengaged from the -ratchet-teeth 33 and thev ratchet-bar 21k respectively, so that the pusher may be manually retracted to receive a loaf to be sliced.

In operation', the lloaf to be sliced is placed in the box while the pusher .17 is retracted. To slice the bread, it is then only necessary to rotate the handle 16 which will operate the knife 11 'to cut one slice from ...an

the loaf duringA each rotation of'shaft 12. Between the cutting and slicing'operations, the caml 20 will engage roller 27 to move the ratchetfbar 20to the left whichy will, through pawl 24: and arm 18, advance the pusher one step. The spring 28 will retract the ratchet bar 21, arm 26 and roller 27 between the advancing strokes of the pusher and the latter will be held against retraction by the dog 31 and teeth By adjusting the Wing nut 30, the stroke ofr the pusher may be regulated according to the thickness of the slice desired. The slices severed from the' loaf pass into the left-hand portion ofthe box in the order v efficient in operation.

in which they are severed from the loaf,

so that the slices may be kept togetlie'i in the order in Which they are out from the loaf.

The invention exemplifies a slicing ma# chine which issimple in construction and rlhe invention is notl to be understood as restricted to the details set forth, since these may be modified within thescope of the appended lclaims, Without departing from the spirit and scope ofthe invention. Having thus described the invention, vvhat' l claim as new and desire to secure by Leti ters Patent,is:

,1. ln a slicing machine, the combination of aholder comprising a bottom .and sides and havingan open top; a shaft extending longitudinallyv of the holder, disposed dut- Wardly of one of the holder sides and mounted in stationary bearings', a knife secured to said shaft and adapted in its rotation to cut a slice from a loaf in the holder, a pusher operating, in said holder extended over. one of the sides .and provided with a bearing outward-ly of the latter side extending varound said shaft to guide the holder, means for rotating said shaft, and means for operating the pusher stepby step. 2. in la slicing machine, the combination of afholder comprising a bottoni and sides and having an open top, a shaft extendingl longitudinally of the holder disposed outwardly -of one of the holder sides and mounted in stationary bearings, a knife seciired to said shaft and adapted in its rota-y tion to cut a slice from a loaf in the holder, a lpusher operating in said holder and eftende'd over one of the sides, means for rotating the shaft, mechanism Afor operating the pusher step-by-step comprising a reciproeable bar disposed outtvardly of one side of the holder, and means on the pusher for guiding it extending around said shaft and said bar.

3. ln a slicing machine, the combination of a holder' comprising a bottom and sides and having an open top', a shaft extending longitudinally of theA holder, disposed out` vvardly kof one of the holder sides and mounted in stationary bearings,- a knife secured to said shaft and adapted in its rota'- 'tion to eut a slice from a loaf in the holder,

a pusher operating in said holder and exn tending over one of the 'holder sides, means for rotating the shaft, a cam on said shaft, and means for operating the pusher step by step from said cam comprising a reciprocable ttothe'd bar disposed outwardly of one of the holder sides and provided with means directly thereon engaged by saidv cam to reciprocate the bar.

fl. AIn a slicing machine, the combination of a holder comprising a bottom and sides and having an open top; a shaft extending longitudinally of the holder', disposed outwardly of one of the holder sides and mounted in stationary bearings, a knife se cured to said shaft and adapted in its rotation to cut a slice from a loaf in the holder, a pusher operating in said holder andv extending over one of the holder sides, means for rotating the shaft, a reciprocable toothed bar, disposed outwardly of one of the holder sides, means for reciprocating said bar from the shaft, stationary toothed bar and a plurality of payvls mounted on and movable with the pusher and adapted to engage said bars respectively.

5. ina slicing machine, the combination of a. holder comprising a bottom and sides and having an open top; a shaft extending longitudinally of the holder, disposed out. Wardly of one of the holder sides, and mounted in stationary bearings, a knife secured to said shaft and adapted 4in its `iotation to cut a slice from a loaf in the holder, a pusher operating in said holder and'` exr tending over one of the holder sides, means for rotating the shaft, a reeiprocable toothed bar disposed outwardly of one of the holder sides, a pavvl on the pusher adaptedto be operated in one direction by said bar, a fixed toothed bar and a pawl on the pusher adapted to enga-ge the fixed bar to prevent retraction of the pusher.

6. In a slicing machine, thev combination of a holder, a. shaft mounted in' stationary bearings, va knife secured to' said shaft and adapted in its rotation to cut a slice from a loafin the holder, a pusher ofjJerating in said holder, means for rotating theshaft, a reciprocable toothed bar, the holder being pro# vided with a side, a fixed toothed bar on the top of said side, anda plurality of pavvls' on the pusher and engaging said toothed barsy respectively.' A

HARRY TASAKA, 

